Glyphic Fossil is a fossil type. Fossils are a special type of poe currency introduced in the delve league that can be socketed into resonators to modify the crafting behavior in specific ways. Fossils can also add special Delve modifiers.
Has a Corrupt Essence modifier
Glyphic Fossil counts as if you would use one of the following Essences (note that it chooses one of them at random): Essence of Delirium, Essence of Horror,
Essence of Hysteria, Essence of Insanity
|Weapon||Your Hits inflict Decay, dealing 500 Chaos Damage per second for 8 seconds||Suffix|
|Gloves||Socketed Gems deal 30% more Damage over Time||Suffix|
|Boots||Cannot be Poisoned||Suffix|
|Body Armour||25% reduced Chaos Damage taken over time||Suffix|
|Helmet||+2 to Level of Socketed Aura Gems||Suffix|
|Shield||Recover 2% of your maximum Mana when you Block||Suffix|
|Quiver||Your Hits inflict Decay, dealing 500 Chaos Damage per second for 8 seconds||Prefix|
|Amulet||0.5% of Chaos Damage Leeched as Life||Suffix|
|Ring||40% increased Damage with Poison||Prefix|
|Belt||+50% to Chaos Resistance during any Flask Effect||Suffix|
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|Quiver||4 to 7 Cold Damage per Frenzy Charge||Prefix|
|Helmet||Socketed Gems deal 30% more Elemental Damage||Suffix|
|Body||15% of Physical Damage taken as Cold Damage||Prefix|
|Boots||5% reduced Elemental Damage Taken while stationary||Suffix|
|Gloves||Socketed Gems have +3.5% Critical Strike Chance||Suffix|
|Weapon||16% chance to gain a Power, Frenzy or Endurance Charge on Kill||Suffix|
|Belt||5% additional Physical Damage Reduction during any Flask Effect||Suffix|
|Amulet||15% increased effect of Fortify on You||Suffix|
|Shield||Chill Nearby Enemies when you Block||Suffix|
Using the essence on a pair of gloves sets their level requirement to at least 50.
|Quiver||Gain 10% of Physical Damage as Extra Fire Damage||Prefix|
|Ring||Gain 10% of Physical Damage as Extra Fire Damage||Prefix|
|Helmet||Socketed Gems have 50% chance to Ignite||Suffix|
|Body||10% increased Area of Effect||Suffix|
|Boots||Drops Burning Ground while moving, dealing 2500 Fire Damage per second||Suffix|
|Gloves||Socketed Gems deal 175 to 225 additional Fire Damage||Suffix|
|Weapon||10% chance to Cast Level 20 Fire Burst on Hit||Suffix|
|Belt||Damage Penetrates 5% Elemental Resistances during any Flask Effect||Suffix|
|Amulet||40% increased Life Leeched per second||Suffix|
|Shield||Adds 40 to 80 Fire Damage if you've Blocked Recently||Suffix|
Note: the Spectral Spirits skill summons 3 permanent floating skulls similar to Summon Raging Spirits, and can be supported by gems socketed in the weapon.
|Quiver||10% reduced Reflected Damage taken||Suffix|
|Helmet||Socketed Gems gain 50% of Physical Damage as extra Lightning Damage||Suffix|
|Body||Gain Onslaught for 3 seconds when Hit||Suffix|
|Boots||12% increased Movement speed while on Burning, Chilled or Shocked ground||Suffix|
|Gloves||Socketed Gems have 16% more Attack and Cast Speed||Suffix|
|Weapon||Triggers Level 20 Spectral Spirits when Equipped||Suffix|
|Belt||10% increased Movement Speed during any Flask Effect||Suffix|
|Amulet||10% chance to Recover 10% of Maximum Mana when you use a Skill||Suffix|
|Shield||10% chance to gain a Power Charge when you Block||Suffix|
The price of Glyphic Fossil is about 20 Chaos Orbs. Both fossil crafting and corrupted essences are pretty good to create powerful items. So glyphic fossils are the only way to add corrupted essence modifiers via fossil crafting. Additionally they are not found in regular side areas but only in special rooms.
There are very good uses for it and they are rare. Here are some examples:
The drop location of Glyphic Fossil is Azurite Mine. Standing on any Waypoint, click the flashing candle icon: "Click to travel to the Mine Encampment", then you will go to the Azurite Mine.
There are two ways to obtain Glyphic Fossil.
Sometimes, Niko the Mad sells a Glyphic Fossil. Niko is one of the five masters. He provides introduction to delves and appears when harvesting Voltaxic Sulphite. He also sells Fossils and Resonators for Azurite.
In addition, you can also exchange currency items for it.
Place a Glyphic Fossil in a Resonator to influence item crafting.
Effect: Has a Corrupt Essence modifier
|Potent Alchemical Resonator||1||Upgrades a normal item to a rare item|
|Potent Chaotic Resonator||34||Reforges a rare item with new random modifiers|
|Powerful Alchemical Resonator||34||Upgrades a normal item to a rare item|
|Powerful Chaotic Resonator||34||Reforges a rare item with new random modifiers|
|Prime Alchemical Resonator||68||Upgrades a normal item to a rare item|
|Prime Chaotic Resonator||68||Reforges a rare item with new random modifiers|
|Primitive Alchemical Resonator||1||Upgrades a normal item to a rare item|
|Primitive Chaotic Resonator||34||Reforges a rare item with new random modifiers|
|Drop location:||Azurite Mine|
|Item class:||Stackable Currency|